8116161547 has 8 divisors (see below), whose sum is σ = 9120502944. Its totient is φ = 7166108928.

The previous prime is 8116161533. The next prime is 8116161653. The reversal of 8116161547 is 7451616118.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8116161547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8116161517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13571878 + ... + 13572475.

It is an arithmetic number, because the mean of its divisors is an integer number (1140062868).

Almost surely, 2^8116161547 is an apocalyptic number.

8116161547 is a deficient number, since it is larger than the sum of its proper divisors (1004341397).

8116161547 is a wasteful number, since it uses less digits than its factorization.

8116161547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27144389.

The product of its digits is 40320, while the sum is 40.

The square root of 8116161547 is about 90089.7416302211. The cubic root of 8116161547 is about 2009.6336507968.

The spelling of 8116161547 in words is "eight billion, one hundred sixteen million, one hundred sixty-one thousand, five hundred forty-seven".